EP2673418B1 - Haltevorrichtung - Google Patents

Haltevorrichtung Download PDF

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Publication number
EP2673418B1
EP2673418B1 EP12710323.2A EP12710323A EP2673418B1 EP 2673418 B1 EP2673418 B1 EP 2673418B1 EP 12710323 A EP12710323 A EP 12710323A EP 2673418 B1 EP2673418 B1 EP 2673418B1
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EP
European Patent Office
Prior art keywords
arms
retaining
operating
retaining device
seat
Prior art date
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Application number
EP12710323.2A
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English (en)
French (fr)
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EP2673418A1 (de
Inventor
Enea Canepari
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Betonform SRL
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Betonform SRL
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Publication date
Application filed by Betonform SRL filed Critical Betonform SRL
Priority to SI201230237T priority Critical patent/SI2673418T1/sl
Priority to PL12710323T priority patent/PL2673418T3/pl
Publication of EP2673418A1 publication Critical patent/EP2673418A1/de
Application granted granted Critical
Publication of EP2673418B1 publication Critical patent/EP2673418B1/de
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
    • E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0233—Retaining or protecting walls comprising retention means in the backfill the retention means being anchors

Definitions

  • the present disclosure relates to a retaining device.
  • Retaining devices for protection against avalanches or landslides or for stabilization purposes such as those for example described in Italian patent IT1288181 , European patent application EP1921210 and European patent application EP1728924 disclosing a retaining device according to the preamble of claim 1, are known.
  • an example of a known retaining device comprises a support frame formed by metal beams to which a retaining mesh is fixed.
  • the support frame rests on the ground on one side and is supported by a strut or leg which is secured to the ground, so as to form an inclined T-shaped structure.
  • the retaining mesh is arranged substantially perpendicular, or otherwise inclined, with respect to the ground, so as to stop, or at least limit, the advancing movement of the snow or other material to be retained.
  • One drawback relates to the difficulty of transportation and assembly.
  • the known devices have in fact a substantially pyramidal shape which has a large volume owing to both the two-dimensional size of the support frame and the length of the support strut which extends from the support frame forming a T together therewith.
  • the retaining devices owing to their very function, must be installed typically in hostile locations which are difficult to access, such that often a helicopter is used in order to transport them to the installation site. This often results in the need to transport the different parts of the disassembled device to the installation site and perform assembly of the device directly on-site. This operation increases significantly the amount of time required for installation and may pose dangers for the workers, who are required to perform assembly of the device in difficult conditions.
  • transportation of the pre-assembled device must be performed using special vehicles and the number of devices which can be transported in one journey is very limited.
  • the present disclosure is therefore based on the technical problem of providing a retaining device which is able to overcome the drawbacks mentioned above with respect to the prior art and/or which is able to achieve further advantages.
  • a retaining device is useful for facilitating transportation thereof, owing to the fact that its volume in a non-operating configuration is smaller than the volume in an operating configuration.
  • the support frame is able to assume a non-operating closed configuration and an operating radial configuration.
  • the retaining barrier in the non-operating configuration i.e. when the barrier is closed
  • a retaining device has a foldable or collapsible structure which is useful for reducing greatly the volume of the device when the latter is not installed.
  • the retaining device may be easily transported in an already substantially assembled condition, reducing to a minimum the operations required at the installation yard.
  • the parallel-arm configuration is substantially coplanar with the radial configuration, i.e. the second arms (or movable arms) move relative to the first arm, without coming out of the plane of the radial arrangement.
  • the first arm or the first arms may therefore be fixed.
  • This aspect is useful for simplifying the manufacture of the retaining device so as to reduce both the overall number of separate parts (and the labour required for assembly of the retaining device) and the number of movable arms (and the operations which must be performed in order to obtain the radial configuration during installation).
  • the device comprises a support strut which is connected to the retaining barrier via an articulated joint.
  • the support strut is movable between a first angular position and a second angular position relative to the retaining barrier: in the first angular position, the support strut is in a substantially T-shaped arrangement with the retaining barrier, while in the second angular position the support strut is substantially parallel to the arms of the support frame in the non-operating closed condition, i.e. it is substantially parallel to the radial direction of the at least one first arm.
  • This aspect is useful for obtaining a retaining device in the shape of a T when it is installed, as occurs for the devices of the prior art, and for obtaining a device with a minimum volume when it is not installed and must be transported and/or stored.
  • the support strut in the second angular position is parallel to the mainly elongated shape of the retaining barrier when it is closed and therefore does not increase significantly the transverse dimensions of the retaining device when not installed.
  • the articulated joint between the support strut and the retaining barrier comprises a spherical hinge which is convertible reversibly into a cylindrical hinge, for example through a pin to be inserted inside a through-seat formed in the body of the spherical hinge.
  • the articulated joint operates as a cylindrical hinge, the movement of the support strut is limited to a movement between the first angular position and the second angular position, i.e. the strut is able to move only in one plane which is perpendicular to the retaining barrier.
  • the articulated joint is a spherical hinge which may allow a multidirectional articulated movement between the retaining barrier and the support strut so as to adapt to the load acting on the retaining barrier, as occurs in some known retaining devices.
  • the articulated joint is a cylindrical hinge which limits the movements of the support strut and prevents rotation thereof in the plane of the radial arrangement, thus preventing the support strut from coming out accidentally of the mainly elongated shape of the closed retaining barrier.
  • the support strut is supplied detached from the retaining barrier and is connected to it only during installation on-site.
  • the articulated joint may not be present; for example, the support strut may be connected to the retaining barrier through insertion inside a special seat or using other known methods.
  • the retaining barrier on-site is supported by support means which do not comprise a strut, such as tie members or flexible cables for example.
  • a retaining device according to the present disclosure is indicated by the reference number 1.
  • Said retaining device 1 may be used in different fields: for example it may be used to retain snow (so-called snow protection device), for protection against avalanches (so-called avalanche protection device), for stabilizing or retaining earth or embankments (so-called stabilization device), for protection against falling rocks (so-called rockfall or landslide protection device), or for other similar uses.
  • snow protection device for protection against avalanches
  • stabilization device for stabilizing or retaining earth or embankments
  • rockfall or landslide protection device for other similar uses.
  • the retaining device 1 is a stabilization device, for example able to be arranged on an unstable slope 91 of a mountain and fixed there in ways which will be described in greater detail below, so as to stop or limit the movement downhill of earth or rocks on the uphill side of the device 1.
  • the retaining device 1 comprises a retaining barrier 3 and a support strut 2 connected to the retaining barrier 3.
  • the support strut 2 and the retaining member 3 are in a substantially T-shaped arrangement or configuration, where the support strut 2 forms the core of the T and the retaining barrier 3 forms the flange of the T.
  • the retaining device 1 is installed on the ground 92 in the configuration of an overturned T so that one side 3a, or bottom side, of the retaining barrier 3 rests on the ground 92 and forms a certain angle ⁇ with the ground 92.
  • the retaining barrier 3 may be arranged substantially perpendicular to the ground 92 or inclined downhill.
  • the support strut 2 acts as a prop or support for the retaining barrier 3 in order to prevent the latter from being able to be overturned or moved under the weight of the material to be retained.
  • the support strut 2 has a first end 21, or uphill end, which can be connected to the ground 92 via suitable fixing means, said fixing means for example comprising a ring 25 attached to the first end 21 of the support strut 2 and a tie member 27 which connects the ring 25 to an anchoring device (not shown) embedded in the ground 92. Fixing of the support strut 2 to the ground 92 allows the retaining device 1 to be kept in a pre-chosen position.
  • fixing means may be formed in ways known to the person skilled in the art and consequently will not be further described. For further details, see for example Italian patent IT1288181 and European patent application EP1921210 .
  • a second end 22, or downhill end, of the support strut 22 is associated with or connected to the retaining barrier 3, in particular to a central region thereof, in ways described below.
  • the retaining barrier 3 comprises a support frame 4 and a retaining mesh 35 which is fixed to the support frame 4, for example by means of hooks 37.
  • the support frame 4 includes at least three arms 5 which are mounted on a central member 40 to which also the support strut 2 is connected.
  • the support frame 4 comprises four arms 5: two first arms 51, 53 and two second arms 52, 54. Below, each of said arms will be indicated generally by the reference number 5 when it is not relevant whether it is a first arm or a second arm.
  • each arm 5 In an operating configuration of the support frame 4 (for example when the retaining device 1 is installed on-site) the arms 5 are splayed with respect to each other: two successive arms form an angle relative to each other.
  • the arms 5 in the operating configuration are arranged radially and extend from the central member 40 to which they are fixed.
  • each arm 5 In the operating radial configuration, each arm 5 is oriented along a respective radial direction 50a, 50b.
  • this radial arrangement is substantially flat: for example, the arms 5 are coplanar with each other (as visible for example in the top plan view of Figure 2 ).
  • first arms 51, 53 are aligned with each other and the second arms 52, 54, which are arranged on the opposite sides to the first arms 51, 53, are aligned with each other in the operating configuration.
  • first arms 51, 52 are arranged along a first diagonal 50a of the retaining barrier 3 and the second arms 52, 54 are arranged along a second diagonal 50b of the retaining barrier 3, so as to form an X or a Saint Andrew's cross.
  • the central member 40 is located in the region of intersection between the first diagonal 50a and the second diagonal 50b.
  • Said diagonals 50a, 50b correspond to the radial directions of the respective first arms 51, 53 and second arms 52, 54 in the radial configuration and also to their longitudinal central axes 50.
  • the first arms 51, 53 form an angle ⁇ of 80 degrees with the second arms 52, 54.
  • the support frame 4 has a substantially quadrangular shape, as does the retaining barrier 3.
  • the support frame 4 extends mainly along two dimensions, i.e. its overall thickness S is substantially smaller than its width L and its height H, these latter two dimensions being substantially comparable to each other in terms of order of magnitude.
  • the support frame 4 defines a first face or side 31, or uphill side, of the retaining barrier 3, while the retaining mesh 35 is situated on a second face or side 32, or downhill side, which is opposite to the first face 31.
  • the central member 40 comprises a first plate 41 and a second plate 42, which are arranged on opposite sides of the region of intersection between the first diagonal and the second diagonal of the retaining barrier 3, along the first face 31 and second face 32, respectively. Therefore, the ends of the arms 5, in the region of the central member 40, are enclosed between the first plate 41 and the second plate 42.
  • Each arm 5 is fixed to the central member 40 by means of a respective pair of bolts 45, 46.
  • the central member 40 and each arm 5 comprise respective first seats 47a, 47b and respective second seats 48a, 48b for receiving the bolts 45, 46.
  • These seats 47a, 47b, 48a, 48b are basically through-holes which pass through the first plate 41, the arm 5 and the second plate 42.
  • a first bolt 45 is inserted inside the first seats 47a, 47b and clamped with a respective nut 451, while a second bolt 46 is inserted inside the second seats 48a, 48b and clamped with a respective nut 461.
  • each plate 41, 42 is provided with eight through-holes, i.e. two through-holes (first seat 47a and second seat 48a) for each arm 5.
  • Each arm 5 is provided with two through-holes (first seat 47b and second seat 48b) which, when the arm 5 is in the operating position, are arranged matching the respective holes 47a, 48a in the plates 41, 42.
  • the first arms 51, 53 form a single piece, i.e. are successive parts or sections of a same beam 56 which passes through the central member 40; basically, the first arms 51, 53 are physically continuous with each other.
  • the second arms 52, 54 are structurally independent of each other, i.e. are parts of beams which are discontinuous.
  • the arms 5 are formed by a beam with an I-shaped cross-section, having a core 57a and two flanges 57b, 57c on opposite sides of the core 57a.
  • the beam 56 which forms the two first arms 51, 53 has a notch or recess 58 formed in a first flange 57b and part of the core 57a.
  • the ends of the second arms 52, 54 in the region of the central member 40 (i.e. at the intersection with the first arms 51, 53) have in turn an incision 59 in the second flange 57c and part of the core 57a.
  • This allows the arms 5 to be arranged coplanar with each other so as to form a support frame 4 which is substantially flat and has a thickness S equal to the height H5 of the arms 5.
  • the first arms 51, 53 and the second arms 52, 54 substantially complement each other in the intersection region. Consequently, the overall contact area between each of the plates 41, 42 and the arms 5 is maximized, thus improving the solidity of the support frame 4 as a whole.
  • the arms 5 may comprise reinforcing elements 57h which connect the first flange 57b to the second flange 57c.
  • the beam 56 may also comprise reinforcing elements 57g which are fixed to the core 57a in the region of the recess 58. Similar reinforcing elements may be provided for the second arms 52, 54 in the region of the incision 59.
  • Means 410 for performing connection to the support strut 2 are associated with the first plate 41, i.e. with the plate arranged on the uphill side 31 of the retaining barrier 3. It should be noted that, in the example, the connection means 410 are arranged substantially at a central point of the retaining barrier 3, i.e. at a point defined by the convergence of the arms 5, i.e. at the centre of the radial arrangement.
  • connection means 410 comprise an articulated joint, such as a simple hinge (i.e. a cylindrical hinge) or a spherical hinge for example.
  • the articulated joint 410 comprises a substantially spherical element 411, which is fixed by means of welding to the first plate 41, and a casing or shell 221 attached to the second end 22 of the support strut 2.
  • the shell 221 has a substantially C-shaped form and defines a cavity for receiving the spherical element 411.
  • a locking bolt 227 (or alternatively a peg) is also provided, being inserted transversely between the two sides of the C-shape through special holes 223 and passing in the vicinity of the first plate 41, in particular inside a groove between the latter and the spherical element 411.
  • the locking bolt 227 thus arranged prevents extraction of the support strut 2 from the spherical element 411.
  • a joint forming a spherical hinge with a multiple degree of freedom is thus obtained, allowing the support strut 2 to assume any spatial angle with respect to the retaining barrier 3 and to rotate about its longitudinal axis 200.
  • the spherical element 411 includes a seat 415 for removably receiving a pin or bolt 229.
  • this seat 415 is a hole passing through the spherical element 411 and having a longitudinal axis 418 substantially parallel to the first plate 41.
  • the shell 221 mounted on the support strut 2 has corresponding holes 225 for allowing insertion of the pin 229.
  • Insertion of the pin 229 inside the seat 415 and inside the holes 225 allows the spherical hinge of the articulated joint 410 to be converted into a cylindrical hinge, i.e. into a joint with a single degree of freedom, where relative rotation of the retaining barrier 3 and the support strut 2 occurs only about the longitudinal axis 418 of the seat 415.
  • the articulated joint 410 equipped with pin 229 inserted in the seat 415 is a cylindrical hinge, while the articulated joint 410 without the pin 229 is a spherical hinge.
  • the retaining device 1 comprises a plurality of tie members 15, each of which connects a respective arm 5 to the support strut 2, in particular to the first end 21 of the latter.
  • the retaining device 1 thus has overall a substantially pyramidal shape, as shown in Figure 1 .
  • a perimetral cable 38 is arranged along the perimeter of the retaining barrier 3, connecting together the peripheral ends of the arms 5; the perimetral cable 38 acts as a support for the retaining mesh 35.
  • the characteristics of the tie members 15, which are for example flexible elements, and of the perimetral cable 38 may be regarded substantially as belonging to the prior art (see for example Italian patent IT1288181 and European patent application EP1921210 ).
  • the retaining device 1 may also assume a non-operating configuration in which it has a smaller volume and is easier to transport.
  • the retaining device 1 is in this non-operating configuration before being installed, i.e. during manufacture, storage and transportation of said retaining device 1; the retaining device 1 is in operating configuration during installation on-site.
  • the arms 5 are substantially parallel to each other and the support frame 4 is in a closed configuration: the support frame 4 and the retaining barrier 3 have a mainly single-dimensional extension. Differently from the operating configuration, their height H' is substantially less than their width L', while the thickness S' is unchanged with respect to the operating configuration.
  • the arms 5 are substantially parallel to each other, while in the operating configuration ( Figures 6 and 13 ) the arms 5 are splayed apart in a radial configuration.
  • At least one of the arms 5 i.e. at least a first arm 51, 53
  • the remainder of the arms 5 i.e. the second arms 52, 54
  • the remainder of the arms 5 are oriented along a direction 50c which is substantially parallel to the radial direction 50a of said at least one of the arms 5.
  • the second arms 52, 54 are movable relative to the first arms 51, 53 between a non-operating configuration and an operating configuration.
  • the two first arms 51, 53 are fixed together, in the example being parts of the same beam 56.
  • the second arms 52, 54 are therefore movable or displaceable between the non-operating configuration and the operating configuration; the first arms 51, 53 do not vary their position between the non-operating configuration and the operating configuration.
  • the first arms 51, 53 are oriented along the same radial direction 50a as in the operating radial configuration, while the two second arms 52, 54 are oriented along a direction 50c which is substantially parallel to the radial direction 50a of the two first arms 51, 53.
  • the second bolt 46 will be inserted inside the respective second seats 48a, 48b during installation on-site of the retraining device 1.
  • the second arms 52, 54 are pivotably hinged on the central member 40; therefore they are configured to rotate with respect to the central member 40 so as to perform an angular displacement between the non-operating closed configuration and the operating radial configuration.
  • the movement of the second arms 52, 54 between the non-operating configuration and the operating configuration (and vice versa) is a pivoting rotation relative to the central member 40.
  • the hinging axis 450 of the respective second arm 52, 54 is also substantially perpendicular to the plates 41, 42 and to the plane of the radial configuration.
  • the rotation of the second arm 52, 54 therefore occurs towards a first arm 51, 53 without coming out of the plane of the support frame; in other words, the movement of the second arm 52, 54 between the non-operating closed configuration and the operating radial configuration is an angular displacement which occurs in the plane of the radial arrangement, i.e. is coplanar with the radial configuration.
  • the parallel-arm arrangement which the arms 5 assume in the non-operating configuration (or closed configuration) is therefore substantially coplanar with the radial arrangement (or open configuration) which the arms 5 assume in the operating configuration.
  • the second arms 52, 54 are each adjacent to a respective first arm 51, 53 and the second arms 52, 54 extend on the opposite sides of the central member 40.
  • the second arms 52, 54 are rotated both in the same direction (in the anti-clockwise direction in Figure 7 and in the clockwise direction in Figure 6 ).
  • the first seat 47a, 47b in which the pivoting bolt 45 is located is that closest to the first arm 51, 53 towards which the second arm 52, 54 is displaced in the non-operating configuration.
  • the first seat 47b (or hinging seat) of the second arm 52, 54 is at a distance D1 from the respective adjacent first arm 51, 53 which is less than the distance D2 of the second seat 48b (or locking seat) from the same first arm 51, 53.
  • the second arm 52, 54 does not interfere with the first arms 51, 53 during the angular displacement between the two configurations, i.e. closed configuration and open configuration.
  • first seats 47a, 47b are situated outside the profile of the first arms 51, 53 and at a distance D1 from this profile.
  • the distance D1 is chosen with a suitable value so that, in the non-operating configuration, the distance D5 between the second arm 52, 54 and the respective adjacent first arm 51, 53 is at a given - possibly small - value so that the height H' of the support frame 4 is minimal.
  • the support strut 2 is movable with respect to the retaining barrier 3.
  • the support strut 2 is movable between a first angular position and a second angular position.
  • the support strut 2 and the retaining barrier 3 are in the said T-shaped configuration, as shown in Figures 1 to 5 .
  • the support strut 2 is rotated towards the retaining barrier 3 and in particular is substantially parallel to the radial direction 50a of the first arms 51, 52, i.e. to the arms 5 in the non-operating configuration, as shown in Figures 14 to 16 .
  • the overall volume of the retaining device 1 in the non-operating configuration is therefore very compact, because the arms 5 and the support strut 2 are parallel to each other and close together.
  • the support strut 2 in the second operating position is parallel to the first arms 51, 53.
  • the seat 415 in the spherical element 411 is formed so that its longitudinal axis 418 is parallel to the retaining barrier 3 and at right angles to the radial direction 50a of the first arms 51, 53.
  • the articulated joint 410 acts as a cylindrical hinge and limits the movement of the support strut 2 to an angular displacement between the first angular position and the second angular position, i.e. in a plane at right angles to the retaining barrier 3 and parallel to the first arms 51, 53.
  • the support strut 2 remains coplanar with the first arms 51, 53, ensuring the compactness of the retaining device 1 during transportation and preventing undesirable and dangerous movements of the support strut 2 outside of this plane during installation.
  • the retaining device 1 is supplied in the non-operating configuration, with the arms 5 parallel in the closed configuration and the support strut 2 in the second angular position, i.e. parallel to the arms 5 ( Figures 15 and 16 ).
  • the pin 229 is inserted inside the seat 415; the second bolts 46 for the second arms 52, 54 and the locking bolt 227 are not mounted on the retaining device 1 or in any case are not operative.
  • the retaining mesh 35 is connected to only the first arms 51, 53 and is folded up so as to reduce its volume, or alternatively is supplied separately.
  • the retaining device 1 in the non-operating configuration is transported to the installation site. Owing to its compact and elongated shape which the device assumes in this configuration, transportation is easier than in the case of the known devices.
  • the arms 5 are splayed apart, arranging them in the operating radial configuration.
  • both the second arms 52, 54 are displaced into the operating configuration.
  • the second bolts 46 are inserted and fixed inside the second seats 48a, 48b so as to lock the second arms 52, 54 in the operating configuration.
  • the second bolts 46 therefore form part of the locking means for locking the second arms 52, 54 on the central member 40 and preventing shape variations of the support frame 4 in the operating configuration.
  • the retaining mesh 35 is extended and fixed to the support frame 4.
  • the support strut 2 is brought into the first angular position, restoring the T-shaped configuration.
  • the locking bolt 227 is inserted inside the holes 223 so as to prevent extraction of the support strut 2 from the spherical element 411.
  • the retaining device 1 is fixed to the ground using the known methods.
  • the pin 229 is removed from the seat 415, so that the functionality of the spherical joint 410 is restored.
  • the abovementioned steps may be performed in the reverse order so that the retaining device 1 assumes again the non-operating closed condition, ready for transportation.
  • first seats 47a, 47b and the second seats 48a, 48b are identical to each other and likewise the first bolts 45 and the second bolts 46 are identical to each other.
  • the method of manufacturing the retaining device 1 is simple because it is not required to form these seats in a different manner depending on their function.
  • each of said seats may be used as a locking or hinging seat.
  • a bolt may be used equally well as a pivot element 45 or as a locking element 46, without having to provide two different types of elements.
  • the pivot elements 45 and the locking elements 46 may be pegs, keys or similar elements.
  • the retaining device 1, in particular the support strut 2, the arms 5 and the central member 40, are for example made of galvanized steel.
  • the retaining device 1 described here may be subject to numerous variations and modifications.
  • first arms 51, 53 made as one piece may be welded directly onto the central member 40, instead of being bolted.
  • the bolts 45, 46 and the respective seats 47a, 47b, 48a, 48b are not required for the first arms 51, 53.
  • first arms 51, 53 may be structurally independent of each other, instead of being made as one piece, and optionally may be movable relative to each other so as to be displaced into the non-operating configuration.
  • the support frame may comprise a greater number of arms (for example six arms) suitably arranged radially in the operating configuration and movable towards a parallel-arm arrangement in the non-operating configuration.
  • the support frame may comprise only three arms, one or two of which are movable with respect to a first arm (for example by means of a hinging system) so as to assume a parallel-arm arrangement in the non-operating configuration and a radial arrangement in the operating configuration.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Tents Or Canopies (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Massaging Devices (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Supports Or Holders For Household Use (AREA)
  • Refuse Collection And Transfer (AREA)

Claims (14)

  1. Rückhaltevorrichtung (1) um Schnee, Lawinen, Erde, Gestein oder ähnliche Materialien aufzuhalten, bestehend aus einer Rückhaltebarriere (3), die einen Stützrahmen zum Stützen eines Rückhaltenetzes (35) enthält, wobei der Stützrahmen mindestens drei Arme (5, 51, 52, 53, 54) umfasst, wobei der Stützrahmen ausgebildet ist, um eine geschlossene Nicht-Betriebsstellung und eine radiale Betriebsstellung aufweist,
    wobei in der operierenden radialen Stellung jeder Arm (5, 51, 52, 53, 54) in einer jeweiligen radialen Richtung (50a, 50b) angeordnet ist,
    dadurch gekennzeichnet, dass
    in der nicht operierenden geschlossenen Stellung wenigstens erster der Arme (5, 51, 53) entlang derselben radialen Richtung (50a) wie in der radialen Betriebsstellung angeordnet ist und die verbleibenden zweiten (5, 52, 54) der Arme entlang einer Richtung (50c), die im Wesentlichen parallel zu der radialen Richtung (50a) des wenigstens einen ersten Arms (5, 51, 53) angeordnet sind.
  2. Rückhaltevorrichtung gemäß Anspruch 1, wobei der Stützrahmen (4) vier Arme (51, 52, 53, 54) aufweist, von denen zwei erste Arme (51, 53) in geschlossener Nicht-Betriebsstellung entlang der selben radialen Richtung (50a) wie in der radialen Betriebsstellung angeordnet sind, und von der zwei zweite Arme (52, 54) in radialer Betriebsstellung entlang der Richtung (50c) im Wesentlichen parallel zur radialen Richtung (50 a) der beiden ersten Arme (51, 53) angeordnet sind.
  3. Rückhaltevorrichtung (1) gemäß Anspruch 2, wobei die beiden ersten Arme (51, 53) zueinander ausgerichtet sind und wobei die beiden zweiten Arme (52, 54) auf gegenüberliegenden Seiten relativ zu den beiden ersten Armen (51, 53) angeordnet sind, wobei die beiden zweiten Arme (52, 54) in operierender radialer Stellung zueinander ausgerichtet und in der geschlossenen Nicht-Betriebsstellung zu einem jeweiligen ersten Arm (51, 53) angrenzend angeordnet sind.
  4. Rückhaltevorrichtung (1) gemäß einem der Ansprüche 1 bis 3, umfassend Verriegelungsmittel (46) zum Verriegeln der zweiten Arme (52, 54) in der radialen Betriebsstellung.
  5. Rückhaltevorrichtung (1) gemäß einem der Ansprüche 1 bis 4, wobei der Stützrahmen (4) ein zentrales Bauteil (40, 41, 42) aufweist, wobei die
    Arme (5, 51, 52, 53, 54) am zentralen Bauteil angebracht sind, wobei die zweiten Arme (52, 54) am zentralen Bauteil (40, 41, 42) gelenkig angebracht sind und dazu ausgebildet sind, relativ um das zentrale Bauteil (40, 41, 42) zu rotieren, um eine winklige Verlagerung zwischen der geschlossenen Nicht-Betriebsstellung und der radialen Betriebsstellung auszuführen.
  6. Rückhaltevorrichtung (1) gemäß den Ansprüchen 4 und 5, wobei das Verriegelungsmittel (46) zum Verriegeln zwischen den zweiten Armen (52, 54) und dem zentralen Bauteil (40, 41, 42) ausgebildet ist.
  7. Rückhaltevorrichtung (1) gemäß Anspruch 6, wobei jeder der zweiten Arme (52, 54) jeweils eine longitudinale Achse (50) aufweist, wobei das zentrale Bauteil (40, 41, 42) und der zweite Arm (52, 54) jeweils eine erste Aufnahme (47a, 47b) und eine zweite Aufnahme (48a, 48b) aufweist, wobei die erste Aufnahme (47a, 47b) und die zweite Aufnahme (48a, 48b) sich auf gegenüberliegenden Seiten der longitudinalen Achse (50) befinden, wobei die erste Aufnahme (47a, 47b) dazu ausgebildet ist, einen Drehzapfen (45) aufzunehmen und die zweite Aufnahme (48a, 48b) dazu ausgebildet ist, ein Schließelement (46) aufzunehmen, das zu dem Verriegelungsmittel gehört.
  8. Rückhaltevorrichtung (1) gemäß Anspruch 7, wobei die erste Aufnahme (47a, 47b) und die zweite Aufnahme (48a, 48b) miteinander identisch sind und wobei der Drehzapfen (45) und das Schließelement (46) Bolzen oder Zapfen sind.
  9. Rückhaltevorrichtung (1) gemäß Anspruch 3 und gemäß Anspruch 7 oder 8, wobei die zweiten Arme (52, 54) am zentralen Bauteil (40, 41, 42) gelenkig angebracht sind und wobei in der geschlossenen Nicht-Betriebsstellung die erste Aufnahme (47b) für jeden der zweiten Arme (52, 54) einen Abstand (D1) zu dem jeweiligen angrenzenden ersten Arm (51, 53) aufweist, der geringer ist als der Abstand (D2) der zweiten Aufnahme (47b) von dem jeweiligen angrenzenden ersten Arm (51, 53).
  10. Rückhaltevorrichtung gemäß einem der Ansprüche 2 oder 3 oder 9, wobei die beiden ersten Arme (51, 53) ein einzelnes Stück bilden, ausgebildet als aufeinanderfolgende Abschnitte eines Balkens (56), und die beiden zweiten Arme (52, 54) voneinander strukturell unabhängig sind.
  11. Rückhaltevorrichtung (1) gemäß einem der Ansprüche 1 bis 10, wobei die Stützstruktur (4) in radialer Betriebsstellung im Wesentlichen komplanar mit der Stützstruktur (4) in geschlossener Nicht-Betriebsstellung ist.
  12. Rückhaltevorrichtung gemäß einem der Ansprüche 1 bis 11, umfassend eine Stützsäule (2) und ein frei bewegliches Gelenk (410), wobei die Stützsäule (2) mit der Rückhaltebarriere (3) mittels des frei beweglichen Gelenks verbunden ist, wobei die Stützsäule (2) zwischen einer ersten Winkelposition und einer zweiten Winkelposition bezüglich der Rückhaltebarriere (3) beweglich angeordnet ist, wobei die Stützsäule (2) in der ersten Winkelposition im Wesentlichen in einem T-förmigen Gefüge mit der Rückhaltebarriere (3) ist und wobei die Stützsäule (2) in der zweiten Winkelposition im Wesentlichen parallel zu der radialen Richtung (50a) des wenigstens einen ersten Armes (5, 51, 53) ist.
  13. Rückhaltevorrichtung (1) gemäß den Ansprüchen 2 und 12, wobei die Stützsäule (2) in der zweiten Winkelposition parallel zu den beiden ersten Armen (51, 53) ist.
  14. Stützvorrichtung (1) gemäß Anspruch 12 oder 13, wobei das bewegliche Gelenk (410) eine Aufnahme (415) aufweist, welche ausgebildet ist, um einen entfernbaren Stift (229) aufzunehmen, wobei das bewegliche Gelenk (410) mit dem Stift (229) in der Aufnahme (415) ausgestattet ein zylindrisches Scharnier ist, welches die Stützsäule (2) zu einer Bewegung zwischen der ersten Winkelposition und der zweiten Winkelposition limitiert, und wobei das bewegliche Gelenk (410) ohne den Stift (229) ein kugelförmiges Scharnier (411, 221) ist.
EP12710323.2A 2011-02-10 2012-02-09 Haltevorrichtung Active EP2673418B1 (de)

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SI201230237T SI2673418T1 (sl) 2011-02-10 2012-02-09 Zadrževalna priprava
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PCT/IB2012/050588 WO2012107896A1 (en) 2011-02-10 2012-02-09 Retaining device

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EP2848737B1 (de) * 2013-09-13 2016-11-02 Mair Wilfried GmbH / Srl Verbauungsschild
ITUA20162105A1 (it) * 2016-03-30 2017-09-30 Consorzio Triveneto Rocciatori Soc Coop A R L Una barriera di contenimento
RU2668118C1 (ru) * 2017-11-22 2018-09-26 Закрытое акционерное общество "Центр специальных инженерных сооружений научно-исследовательского и конструкторского института радиоэлектронной техники" (ЗАО "ЦеСИС НИКИРЭТ") Габион
DE102021102985A1 (de) 2021-02-09 2022-08-11 Betonform GmbH Element zur Hangabsicherung
CN112942391B (zh) * 2021-02-22 2023-05-02 三峡大学 一种涉水坡体导水防冲蚀结构及施工方法
IT202100021512A1 (it) * 2021-08-06 2023-02-06 Ar Co S R L Struttura per la stabilizzazione e/o il consolidamento di pendii
CN115341558B (zh) * 2022-08-17 2023-06-02 招商局重庆交通科研设计院有限公司 一种岩质边坡生态防护系统

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JPS55154709U (de) * 1979-04-20 1980-11-07
US4759606A (en) * 1987-01-14 1988-07-26 Mcdowell Robert A Collapsible reflector assembly
SU1495404A1 (ru) * 1987-11-05 1989-07-23 Армянский Научно-Исследовательский И Проектный Институт Цветной Металлургии Устройство дл защиты от снежных лавин
US5598654A (en) * 1994-06-01 1997-02-04 Sportniks, Inc. Sign with collapsible, fanning framework
IT1288181B1 (it) 1996-03-29 1998-09-11 Ennio Lattisi Elemento fermaneve a rete con struttura ad ombrello.
CH696469A5 (de) * 2003-09-10 2007-06-29 Fatzer Ag Auffangnetz, insbesondere für Steinschlagverbauungen.
ITMI20051020A1 (it) * 2005-05-31 2006-12-01 Artigiana Costruzioni S R L Dispositivo di contenimento di corpi, o masse, frananti
ES2544947T3 (es) * 2006-11-10 2015-09-07 Betonform S.R.L. Elemento de protección contra avalanchas y similares
IT1390616B1 (it) 2008-07-29 2011-09-09 Betonform S R L Dispositivo di contenimento, cosiddetto dispositivo paramassi, paraneve, paravalanghe o simile dispositivo.
IT1391469B1 (it) 2008-07-29 2011-12-23 Betonform S R L Dispositivo di contenimento e consolidamento di un terreno.
ITVR20090005U1 (it) * 2009-03-31 2010-10-01 Betonform S R L Dispositivo di contenimento, cosiddetto dispositivo fermaneve, paravalanghe, paramassi, o simile dispositivo.
WO2011117790A1 (en) 2010-03-26 2011-09-29 Lasar S.R.L. Structure for the protection and/or consolidation of slopes
DE202010010849U1 (de) * 2010-07-30 2010-11-11 Gartner, Christian Element für Lawinenschutz oder Hangsicherung

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ITVR20110027A1 (it) 2012-08-11
PT2673418E (pt) 2015-08-04
RU2013141454A (ru) 2015-03-20
JP5976682B2 (ja) 2016-08-24
PL2673418T3 (pl) 2015-08-31
BR112013020281B1 (pt) 2021-01-19
CN103429820A (zh) 2013-12-04
JP2014508232A (ja) 2014-04-03
EP2673418A1 (de) 2013-12-18
NZ615215A (en) 2014-08-29
ES2541026T3 (es) 2015-07-15
MY168129A (en) 2018-10-11
CN103429820B (zh) 2016-01-27
CA2826740A1 (en) 2012-08-16
KR20140022809A (ko) 2014-02-25
WO2012107896A1 (en) 2012-08-16
BR112013020281A2 (pt) 2016-10-18
ZA201306706B (en) 2014-05-28
CA2826740C (en) 2018-12-04
US9062422B2 (en) 2015-06-23
AU2012215073A1 (en) 2013-09-26
PE20141721A1 (es) 2014-12-03
RU2583388C2 (ru) 2016-05-10
SI2673418T1 (sl) 2015-08-31
US20140044494A1 (en) 2014-02-13
IT1404819B1 (it) 2013-11-29

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